It is an Arduino compatible board (hardware, not footprint) based on the ATMEGA1284P which can be programmed to collect and post data to internet logging ... SD card slot, 2 serial ports ...

Adding USB functionality to your Arduino projects ... and mimic simple (low-speed) USB peripherals. [Ray] shows an implementation of the V-USB project by logging the status of the Arduino ...

Makers and developers that are looking to carry out or create projects for environmental monitoring may be interested to know that the Arduino compatible EnviroDIY Mayfly Data logger board is now ...